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Multiple Choice
Why is blood considered a connective tissue?
A
Because it transports oxygen and nutrients throughout the body.
B
Because it is composed entirely of collagen fibers.
C
Because it consists of cells suspended in an extracellular matrix.
D
Because it forms a protective barrier against pathogens.
Verified step by step guidance
1
Understand the definition of connective tissue: Connective tissue is one of the four basic types of tissue in the body, characterized by having cells embedded in an extracellular matrix.
Identify the components of blood: Blood consists of red blood cells, white blood cells, platelets, and plasma.
Recognize the extracellular matrix in blood: The plasma in blood acts as the extracellular matrix, which is a fluid that suspends the cells.
Compare blood to other connective tissues: Like other connective tissues, blood has cells (e.g., red and white blood cells) that are suspended in an extracellular matrix (plasma), which is a key characteristic of connective tissues.
Conclude why blood is considered a connective tissue: Blood fits the criteria of connective tissue because it has cells suspended in an extracellular matrix, similar to other connective tissues like bone and cartilage.